Machine for forming long-flap wrapped packages.



1. DQREIFSNYDER 11 11,6. SCHWERDTLE.

-' MACHINE FOR FORMING LOING FLAP WRAPPED PACKAGES.

APPLICATION FILED JUNE I3'. 1914.

12316111611 Aug. 31, 1915.

4 SHIIETS--SIIEETl I:

It 4 I 1 l 1 I 1 1 @el Fsnyder- J.J D. REIFSNYDER & H. G.,SCHWERDTLE. MAHxNE FOR FQRMING LQNG FLAP WRAPPED PACKAGES.

Y APPLICATION HLDJuNE1`3,19x4. 1,152,356.

Patented Aug. 31, 191;5.

` ,n D. BHF

MACHiNE FOR'FORMI SNYDER & H. G. SCHWEBDTLE.

NG LONG FLAP WRAPPED PACKAGES.

APPLICATION FILEDJUN`EI3,1914.

Patented Aug. 31, 1915.

4 SHEETS-SHEET 3.

f l 1111 11g SIT lem

1. REIFSNYDER L H. G. SC-HWERDTLE. MACHINE FOR FORMING LONG FLAP WRAPPE'D PACKAGES.

APPLICATION FILD JUNE 13. 1914.v

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I 'n Unirnn s'rATns Paanrrrfonaion.

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y`.igisfzisini JAMES D.' REIFSNYDEB AND .ti'.lil\l 1it`v G. SCHWERDTLE, OFV PHILADELPHIA, VANIA, .ASSIGNOBSSTO STOKES & SMITH COMPANY, F SUMMERDALE,

PENNSYL Partnerin- VANA, CORPORATION 0F PENNSYLVANIA.

MACHINE non FoniiiNG'LoNG-Fnar ,waarrnn PACKAGES.

To all '1o/wm it may concern Be it known that we, JAMES D. Rein sinfonia and HENRY G. ScHwniiD'iLn, citizens of the llnited States, residing at Philadelphia, in the State of Pennsylvania, have in. vented new and useful Improvements in Machines-for Forming Long-Flap Wrapped lackages, of wliich'the following is a specication. A

' This invention relates to a machine for placing covers or wrappers on an article such as a box oifpackage... Machines having soin'e vof the features of' the mechanism descrihedin the following specification have "beenfufsed for placing wrappers on packages in vsuch a'iway that the Wrapper presents produce'v a machine which is capable of applying' anadhesiv'e wrapper to a. box or v25J j'iackage when the Wrapper has a special forni such that the finished wrapped package will present a top flap yor flaps on its Vupper side,substantially covering the upper wall ofthe bOX or package; and which may overlieiiarrow intiirned edges of the wrapper such as referred to above.

' ln some niachuiesof the type referred to 4the package being wrapped is usually heldrin siicli a way that folder members disposed-around the position of the package can' b e moved inwardly to apply the wrapper neatly to tlieboX or package and to .fold over the' flaps onits upper wall.

'l One of the objects ofthe present inveiition 'is to provide a verysimple arrange- 'iiient whereby these folder members may be operated, and the relative time of their ad- '.vaiice regulated, also .to provide a ioiistri'iction which facilitates changing 1the amount "of advance of the. folder iiicii'ibersl A further object of the invention is to profvide improved meansl for ejccting the ywrapi'ied package from the machine and for 'controlling the time of operation of this ejector. i Fin-ther objects of the ,invention will ap- `pear inorefully hereinafter. l In the drawing, which illustrates the pre1 -specication of Letters Patent.

rasanten aaa. si, reis..

application inea June ie, 191i. seran matanza.

v broken away. Fig. fl is aV detail upon an enlarged scale shoving parts of the v.mechanism in cross section and in detail. Fig. 5 is a plan showing ay forni of blank we may use in a` machine where there is to be aV single long extending across the upper face of the wrapped package. Fig. G is a side elevation showing the irst step of the process of applying the wrapper to the box or package., Figc 7 shows the next step, consisting ,substantially in folding in the end laps of the blank. Fig. 8 shows the next operation -by'tlie machine, consisting in folding up the flaps which-cover tlif.` end walls of the package. Fig. 9 is a sidi; elevation illustrating the last operations ofthe machine, iiaiiielyfolding down the yloing; flap, and pressing the saine on a package. Fig. 10 is a perspective illnstrating a partially wrapped box covered with a wrapper having the shape of the blank shown in Fig.

5. This view represents a `top flap of the Wrapper unattached and as though about to beadlierently applied to the box.

Referring lmore particularly to the parte, llrepresents the frame of a machine which may be of any suitable forni, presenting. a base plate 12 and a table 13 disposed above the base plate. On opposite sides ofthe table, as shown in Fig. 2, brackets i3 are' supported in substantially horizontal position, said. brackets being adjustable inwaidly toward the central axis of the machine by reason of a slot 14 in each bracket, and a clamping bolt 15. The pai-t of the fraaie which supports these brackets is foi-ined with 'parallel shoulders or adjustin;y guides 16, which guide the brackets when they are adjusted inwardly or outn wai-dly when the bolts vare loosened. The inner ends of these 'brackets are foi-ined withvupwardly extending necks l?, which -'support inclined brushes 18 aboverollers i9 in the usual manner. The object of 'these brushes is to fold the side flaps ofthe wrap-.

ics

position.

platen 24, and as the plunger 23 descends,v

the operator alines the box properly by means of gage fingers 25 and 26 depending from a bracket 26a. The fingers 25 and 26 on the plunger extend downwardly on two adjacent walls ofthe package and hold it in passes downwardly the brushes 18 fold up mounted on oppositely and affix the side flaps of the wrapper as indicated most clearly in Fig. 6. The object of the adjustment which is possible by reason of the slots 14," is to enable the distance between rollers 19 to be adjusted to suit packages of different width.

A very simple form of the blank is shown in Fig. 5, said blank comprising a body portion 27. side fiaps 28, end flaps 29, the side fiaps28 having end laps 30, and one of the side flaps 28 being provided with a single long top' flap 31, which is to form the top .iiappof the wrapper on the finished package. As the 'plunger 28 forces the package .down between the rollers 19, the rollers press the fiaps 28 closely against and cause them to adhere to the long sides of the box or package. The platen 24 ils provided with a stem 32, and has a spring 33 tending to hold the platen up when the plunger descends, and offering aslight re*- sistance to the descent of the plunger'. After the plunger has passed the rollers 19, .the end iaps 30 are folded around the vertical corners of the box ,by means of end-turn-in wings 34 of usual construction, thel same being preferably mounted on vertical pivot pins 35 'in brackets 36, said brackets being disposed horizontal brirs 37 arranged in pairs so4 that each bar 37T controls the adv/ance.l and withdrawal of 'as illustrated most clearly in Fig. 8.

two of the devices Si. The brackets 36 are provided with rigid guide stems 38 which may be guided in any sui/tal le manner, such as by means of guide lugs 39 on the brackets 13;. Hr",

The operationof the end-trun-in wings is illustrated in Fig. 7. After these devices have operated they withdraw and the box then' passes downwardly between end fold ing brushes 40, which fold up and adherently apply the end flaps 29 of the wrapper The plunger 23 then forces the package farther downwardly to enable the unailixed remainder of the wrapper o be aiii'xed to the remaining uncovered wall, in this instance the The package then passes downwardly between the rollers 19, and as it .out its entire area down uponthe box. .preferred mechanism for this purpose will 125 `now be described. On ythree sides ofthe machine we provide presser blocks ,49,and -thcse presser blocks are preferably attached -upper wall of the box or package. In order vto enable these flaps to be turned in over the'upper faces of the package it is necesv sary to provide for the withdrawal of the plunger 23. This is accomplished by means of acam slot 41 in a, cam 42, which engages a roller i5 on the side of the plunger 23. The end brushes 40 are preferably mounted on adjustable brackets 40 on the table l13.

'lfhe withdrawal of the pliiger 23 is illus-V 'l5 trated in Fig. 91 In order to prevent the platen 24 from following the plunger up onlthis withdrawal movement, machines of this type are 'provided with means for clamping the stem 32` of the platen. Ve 80 prefer to employ a clamp 44: comprising two opposite jaws 45 connected by a pivot pin 46,'the said jaws being operated by toggle levers connected with a stem 48 extending substantially radially from the central -vertical axis of the machine, see Fig. 3. The `outer end of the stem 48 hasv a roller 48 rolling on a cam 48",*and this cam isjcarried rigidly on a vertical shaft 48". .The cam has-an operating face 48 which is so placed 90 that the stem will move inwardly and operate the clamp to hold the platen down at the moment of the temporary withdrawal of the plunger 23.

lReferring again to the blank shown in Fig. 5, it will be seen that theend flaps 28 and 29 have short edge flaps 28 and 29, and th'ese short edge flaps will be folded over the upper face of thebox as indicatedin Fig.

10, and the long'fiap 31 is-then to vbe folded 100 over upon the same. The mechanism for this purpose is arranged particularly with a. view to enabling the time of the operation of the folder members, which fold the Haps,

tolb'e regulated in relation to each other, and 105 the construction is also intended tofacilitate giving the folder which folds over the top flap a movement sufficient to.accomplish its-v purpose effectively. In the form of blank shown in Fig. 5, which is shown merely. by 11 way of illustration, there are three narrow top flaps and one long liap. The movements of the parts which apply these flaps should be sufficient to press the entire area of the flap down onto the upper wall of the box so as to adherently apply the flaps thereto. If one or more of the fiapsshould be long, the member which applies it should have a longer stroke. In the present instance there erably moves completelyl across the upper face of the box and presses the flap through- The on bars 50, said bars having vguide stems 51 attached to' the ends thereof and guided in 13 A WP,

'three ieiubers which are substantia'lljvY alike.

vlugs fifi which is prete @laaste sunahle lugs fr on the sidi-'r :it the brackets lil. .shown most clearly in lfig. il. These hhlchs lt u'rterabl" larvas-resilient 1a. i 1.

l 'it rl`he folder members for a box having a 'ser ot' this form, prelerablyv comprise in f-ozistrui'tion and mode oto'ieration tor *l he three short flaps 28 and 2912 i imbers for the shortlaps prefof elongated plates 5.5, the i are heut downwardl",7 so as to 's 55' for engaging the flaps, and are mounted so as to move iniort distance so as to Jfold over The mode of eperation of is indicated at'the left of Fig. of these plates is preferably har 5h. the ends of i ich are provided" lh stems which may he simi'- lar to stems l. and vhich are ,guidedin a similar manner m the atorcsald guide f"\ ho arrangement .for advancing the e cdgeetucli-m lingers iich correspond to the short edge llaps No and 29 will now he described.- This naar ianism 4 most clearly illustrated at the lett ot lfiig. 3, and, at the. lett et Fig,

he 'iresser blocks I.) the vj )re:-;ser block is preferably@ vide l 1h anfactuating stem frahly ce'nralljY disposed on ear'@ pirotallj attached to the same. an .'38 extends outwardly horizontally lgz'et'hfecii the two guldestems 5l and'its' outer attached rigidly thereto the bracket h th lower portion 4of which is formedvinto a j' G0, which engages heatljfv over the :ne shat't (Sil on this side of the nra- (Sl is provided with an actuatingr the 'esser block the oria o'l a rain (S2, which tv'frzvardilv by engragi ori .ride of the bracket. 5f) pre rrahlhv attached to the means o ll-l, which illes the position ot' the stem out on the hracliet so as 'ou of the prfewser lilocl ,l e wall of the package. .f crit is adopted with res t r-in lingers 55, that is 'the hars cori ndinff to these fingers 55 are provided each with stem (l5, centr i @nosed on the har and attached to the invotally, and -the riar end ot this attach-falto a ar to the ned with a "l a'. screw 6? ease.

..stahle bracket 3G arid sunliarly engaging the shaft (Si,

me the position of the L Y Y' lo asgust trie tues-in stem te, he adjastit lh order to actuate' linger toward or away from the cent 'al axis ot' the machine. On the stems 5l and 57 helical springs (i8 are provided, which tend to return the presser blocks and the tuck-in lingers and hold thei `rollers '63" and (if) against their Correspondlngir cams (S2 and TO.

ln order to move in and out the end-trunin, wings 3-l we provide theshaft (il with'a cam 7l, see Fig. 3, which ope 'ates a lever 7:2, rigid with the 'a n1 72 which is connected by a link 7f3 't'o ,a sleeve l on the rear end of one of the-guide stems 3S, and this sleeve 'il is attached by means of a set screw T5 which enables the position of the stem 38 to he adjusted as desired. iVith this ar- 'angement evidently as the shaft lll rotates, `the. end-tucli-m lingers' 3l will be moved 1nwardly and then withdrawn. The use of 'ams in this way which are unattarhed tov the three short ltia )s 25H29, is duplicated at the three points il', 78 and 7l), Fig. il, that 1s on three sides of theI machine. ln the tou-rth side u" winch corresponds to the p0- sition of a long fla-p Ell, it desirable to `rive the edge-tucltin finger T9 for thelong,Y flap a dii'erent form and a *longer stroke. rl`he preferred form of this finger is illust ated in lli'r. il. lt consists of a Slightly oliset plate the outer edgeot which is attachedr to a bar Si), said bar having' horizontal guide stems Sl attached near the endsthereot' and guided to slide horizontallwi'u lugs 8201i the corresponding b'achet 4lil. Nearthe. middle of the bar 8() there isattached pivotalll-,V an actuatingT stein S3, and` this actuating stem extends rearwardly and :arries an idjustable sleeve Hl which is attached to the stem #Il between adjustable collars 85 by means ot set screws 8U. lin order to give this stem 83 an increased movement we pre' to employ the construction shown at the .ruht in Fig', f. and partly shown in an enlarged scale in Fig'. l. llFor this purpose we -prefer to provide a bracket 8l' on the base plate l2, the upper end of which bracket supports the lever 88, the Aupper end of which rocked b ya cam slot 89 in a cam 90, 'saai cam being attached on a shaft 91 parallel `with the shat't lGl on the opposite tion 94 with the aforesaid sleeve 84, the ar' rangement being such that when the arm 93 rocks forward and back, it will reciprocate vably connected to the bell crank arm 93 by means of a slotf96 and clamping pin 97. The upper end of the arm 93 of the bell crank lever is preferably bent slightly rearwardly as indicated. The bell crank lever 92 has its lower arm 98 attached to a spring 99 .anchored at -100 on the frame, and this spring assists in returning the tuck-in'finger after it has had a forward movement. Evi' dently by raising or lowering the pivot pin 97 in the slot 96 the amount of stroke of the tuck-in finger may be regulated. For instance if pin 97 i's'placed higher up in the slot the tuck-in finger will have a shorter stroke and vicefversa. On this side of the machine a presser block 101 is provided vsimilar to the presser blocks 49 alreadydescribed, andv this presser block 101 is preferably guided'in the same way and actuated in the same wayas the presser blocks 49already described.- The cam 102 for this purpose `is on shaft 91 as indicated in Fig. 1, and actuates a bracket 103 attached on` actuating stem 101 attached to a bar 105 carrying presser block 101. The bar 105 is guided by means of guide stems 106 slid-ingin lugs 107 on the corresponding bracket 13 (Fig. 1).

The shafts 108, 91, 110 and 61. are preferably connected together in series by bevel gears, and the vertical ejector shaft 48 drives4 shaft 108 so thatall these shafts rotate in unison. For this purpose the ejector shaft 48 is arranged to drive the shaft 91 through ahorizontal shaft 108 and bevel gears 109, andthe shaft 91 is arranged to drive the shaft 61 through a shaft 110 which carries the cams 111 and-112 for operating their corresponding folder members. The shaft 110 is driven through suitable bevel gears 113. and similar bevel gears 114 are provided for drivingthel shaft 61. The shafts 108, 91, 110 and 61 are preferably disposed around the sides of a rectangle (see Fig.w3.). 'While .thisis the preferred ariartgemcnt for driving 'the shafts it is underl' f stood that any suitable arrangement.may be adopted which will 'insure that the shafts rotate in unison, thaty is the same angular movementv of one shaftcorresponds to the same angular movement of another shaft. While we prefer to use'shafts for this purpose it is understood thatthis is the pree fcrrcd form of the rotatable members which operate the .folder members. By actuating the folder members from parts rotating in unison in this way, it is evident that a very nice adjustment can be effected in the regulation of the time of operation of thegdif lar 121 on the stem.

ferent folder members. This facility is alig-V mented by the feature of the cams, the angu' lar position of which can be adjusted when desired on the corresponding shafts. After the long flap end-tuck-in finger 79 has moved forwardly and substantially 'across' the upper face of the package it withdraws and then the plunger 23 comes downl on-the package and presses the long flap down uponpthe same. The plunger then with draws and the package isejected'from thej' j erates the plunger 23. The ejector device ide alsol preferably comprises a horizontal-,stemv 1 18' mounted to slide horizontally in the guide 116, the inner end of the stem project. ing over to a point near the laten and rovided with a head 119 whic is adapt to strike the package, and thruw it lolf of the platen. The ejector stem actuated in its forward movement' by a 'coll spring 120, which is arranged between the 118 is preferably back end ofthel guide and an adjustable col-` 122 having a with an'arm o a bell crank lever'124', said bell crank lever being mounted on a vertical Just forward of the collar 121 the stem is'provided with a sleeve pin and slot connection 123 rying a roller'129 running on the face of an rigidlyA secured on the ejector'v shaft 5,1. At

the proper pointgin its peripheryjhis cam is provided with a deep notch or gap 128.

When the parts are 1n theFK position shown in Fig. 3the cam or disk-T27 yholds the spring compressed, andholds back the and as it withdraws the aforesaid cam' 50 releases the clamp 45 so as .to enable the platen to be returned u wardly by its springn 33. The mechanism oy the machine is most i ejector cam or disk 127,; said cam being conveniently driven by means .of ,a worin on a driving shaft 131,carrying belt -pulleys 132. This worm 130 may mesh with a worm wheel 133 on the ejector shaft 48 to drive the mechanism. The rear end of the stem 118 has an adjustable head 135,.

and on the outside of the guide 116l a dash pot 136 is provided which receives the head lthe ejector. such as the plage 55 and 79 as' older mem-l bers, we may use brushes with .vertically disposed bristlcs' which wipe across the upper 1.25 v185 and cushions the end of the' stroke offl Instead of emplo 'ngplatesj uns` stem 118, but when the notch 128 comes.

face of the package to fold over the flaps. These brushes may be employed Where the necessity for nice nstment of the folders to the package is not feasible, or where there is great variation in the depth of the packages.

lt is understood that the embodiment of the invention described above is only one of the many embodiments the invention may take, and ive do not Wish to be limited in the practice of the inv ation nor of our claims to the particul embodiment set forth.`

1ilnat We claim is l. A machine for applying adhesive Wrappers to packages, comprising, in combination, means for folding an adhesive wrapper about a package so as to present a plurality' of'project-ing flaps including a top iiap adjacentto an uncovered wall of the package, a plurality of movable members .for adherently applying to the package all of said flaps except the said top flap, a member for adherently applying the said top flap, and means for moving said ,last

member across the said uncovered Wall'to' apply the said top flap adhesively thereto.

A machine for applying adhesive wrappers to packages,v comprising', in cornbination, means for folding an adhesive Wrapper about a package so as to present a plurality of projecting flaps including a top flap adjacent to an uncovered Wall of the package, a plurality v,of movable members for adherently applying the flaps of the adhesive Wrapper to the' package, means for actuating the same to adherently apply to the package all of said llaps except the said top flap, a member for adherently applying to the packzfge the said top flap, and

'means for moving said last member' substantially across the said uncovered Wall after the othergl'aps have beerr folded, to adherently apply` the said long flap thereto.

3. A machine for applying adhesive wrappers to packages, comprisingin combination, means for folding an adhesive wrapper about a package so as topresent a plurality of projecting flaps including atop flap adjacent to an uncovered Wall of the package, a plurality of movable members for adherently applying to the packagev all of said flaps except the top flap, a member for adherently applying the said top flap to the package, a camfor actuating the same and a lever actuated by'said cam and imparting movement to said last named member to press and adherently apply the entire area of said top flap against said uncovered vvall. V

4.-, machine for applying adhesive wrappers to packages, comprising, in combination, a plurality of oppositely disposed tuckin-in,e;ers, means for partially wrapping a package and for holding the partially wrapped package in the space between said' fingers, means for guiding said lingers across an adjacent wall of the package to f adherently apply part of thejvrapper to thev j'iackage, and means for movmglone ofsaid fingers lsulostantially` completely 'across `the comprising a plunger, a spring tending to advance said plunger to eject the article, a bell-crank lever having an arm forA engaging said plunger to hold the same in a retracted position, and a rotatable cam rotating with the mechanism of the machine normally holding said lever in a position to maintain said plunger retracted, and having a deep notch forv releasing said lever to permit said spring to advance the plunger, said bell crank lever having a second arm with a roller adapted toy move into said notch and permit said plunger to be advanced by said spring.

6. In a, machine for placing a Wrapper on a package, in combination, a frame, a

. plurality of folder members guided on' said frame, a plurality of shafts corresponding to said members arranged on'the sides of a rectangle and connected in series to rotate in unison, means actuated by said shafts respectively to move said folder members, an ejector shaft arranged to rotate one of said shafts'to drive all of said shafts in unison with said ejector shaft, and ejector mechanism controlled by said ejector shaft for y ejecting the finished article.

7. ln av machine' for placing a Wrapper on a package in combination, a frame, a depressible platen for the package, a plurality of folder members, a plurality of shafts corresponding respectively to said members and arranged to rotate in unison, means actuated by said ,shafts for moving said folder members respectively, a plunger coperating with said platen to :press the Wrapper on the package and to press the package and platen, an ejector shaft, a clamp controlled by saidejector shaft for temporarily holding the said platen depressed, and ejector mechanism controlled by Said ejectork shaft for ejecting`the Wrapped package.

8. A machine for forming a sealed wrapped package by applying a one-piece adhesively coated Wrapper' to all the exterior Walls thereof, comprising, in combination, means for supporting the package, Wrapper applying instrumentalities for adherently applying and aftixing the Wrapper to all the Walls of the package except one uncovered Wall sogthat the WrapperpresentsA an unattached 1emainder,means for effecting a relative movement between the supporting means and the sald applying in- '6 l l H 1,152,356

strumentalties, and means operating after set our hands in presence of two subscribing the onel'utmn of the sand lnstrumentahhes wltnesses.

for adherently atxng the remainder of the l JAMES D. REIFSNYDER.

wrapper to completely cover the remaining HENRY G. SCHVJERDTLE. 5 uncovered wall and thereby effect the comwWitnesses:

plete covering of the package. CARL E. SCHAEFFER,

In testimony whereof we have hereunto SILAS E. CHILD. 

